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ISSC - Bluetooth 4.1 Stereo Audio Module

Numéro de référence BM20
Description Bluetooth 4.1 Stereo Audio Module
Fabricant ISSC 
Logo ISSC 





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BM20 fiche technique
BM20/BM23
Bluetooth® 4.1 Stereo Audio Module
Features:
Complete, Fully Certified, Embedded
2.4 GHz Bluetooth® Version 4.1
Module
Bluetooth Classic (BDR/EDR)
Bluetooth SIG Certified
Onboard embedded Bluetooth Stack
Transparent UART mode for seamless serial
data over UART interface
Easy to configure with Windows GUI or direct
by MCU
Firmware can be field upgradable via UART
Compact surface mount module: 29 x 15 x
2.5 mm3
Castellated surface mount pads for easy
and reliable host PCB mounting
Environmentally friendly, RoHS compliant
Perfect for Portable Battery Operated
Devices
Internal Battery Regulator Circuitry
Worldwide regulatory certifications
Audio-In / Out
BM23 support digital audio I2S format.
BM20 support analog audio output.
Operational:
Operating voltage: 3.0V to 4.2V
Temperature range: 20C to 70°C
Simple, UART interface
Integrated crystal, internal voltage
regulator, and matching circuitry
Multiple I/O pins for control and status
RF/Analog:
Frequency: 2.402 to 2.480 GHz
Receive Sensitivity: 91 dBm (2Mbps EDR)
Power Output: class 2 / +4dBm max.
Connection Distance: >10m
(free space and no interference)
Audio processor
Support 64 kb/s A-Law or -Law PCM format, or
CVSD (Continuous Variable Slope Delta
Modulation) for SCO channel operation.
Noise suppression
Echo suppression
SBC and optional AAC decoding
Packet loss concealment
Build-in four languages (Chinese/ English/
Spanish/ French) voice prompts and 20 events for each
one (This function can be set up in “IS20XXS_UI” tool.)
Support SCMS-T
Audio Codec
20 bit DAC and 16 bit ADC codec
98dB SNR DAC playback
Peripherals
Built-in Lithium-ion battery charger (up to 350mA)
Integrate 3V, 1.8V configurable switching regulator and
LDO
Built-in ADC for battery monitor and voltage sense.
A line-in port for external audio input
Two LED drivers
Flexible HCI interface
High speed HCI-UART (Universal Asynchronous
Receiver Transmitter) interface (up to 921600bps)
MAC/Baseband/Higher Layer:
Secure AES128 encryption
Bluetooth profiles
- HFP v1.6
- HSP v1.1
- A2DP v1.2
- AVRCP v1.5
- SPP v1.0
- PBAP v1.0
Antenna:
Printed Antenna
Compliance:
Bluetooth SIG QDID: 58996
Module certified for the United States (FCC) and
Canada (IC), European Economic Area (CE),
Korea (LTA), Taiwan (NCC) and Japan (MIC)
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